34 entries under natural topic. ×
| vital(adjective, basic, important, significant) | |
| constitutional(adjective, essential, basic, vital, important) | |
| basic(adjective, essential, important, vital, significant) | |
| biological(adjective, living, life, vital) | |
| inherent(adjective, structural, essential, living) | |
| living(adjective, live, vital, biological) | |
| fundamental(adjective, basic, important, essential) | |
| biotic(adjective, living, biological, technical) | |
| animate(adjective, live, living, biological) | |
| structural(adjective, basic, vital, fundamental) | |
| primary(adjective, essential, basic, vital, important) | |
| elemental(adjective, essential, basic, vital, important) | |
| essential(adjective, basic, vital, important, significant) | |
| live(adjective, living, vital, biological) | |
| innate(adjective, living, inherent, nature) | |
| integral(adjective, basic, vital, total, important) | |
| principal(adjective, basic, vital, important, significant) | |
| necessary(adjective, essential, basic, vital, important) | |
| prime(adjective, basic, vital, important, significant) | |
| basal(adjective, basic, essential, vital, important) |
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| APA | Smart Define. (2015). organic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/organic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "organic thesaurus" https://smartdefine.org/organic/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, organic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/organic/thesaurus/synonyms>. |
| MLA | Smart Define. "organic thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/organic/thesaurus/synonyms> |